Which type of cell division occurs in $Nostoc$?

The current classification of organisms is into three domains of life ($Bacteria$,$Archaea$,and $Eukarya$). Which of the following statements is true for $Archaea$?

The elementary cell body in $Mycoplasma$ performs the function of:

Which of the following is true for Archaebacteria?

Most extensive metabolic diversity is found in $:-$

Bacterial cell wall is composed of peptidoglycan,a complex of oligosaccharides and proteins. The oligosaccharide component consists of